You’re in the middle of a project, and need to get everything done as soon as possible. To keep the deadline and still have a life, you would better to collect this awesome library on your fingertip. By knowing this library capability, then you’ll know when to use any of them.

Charting Library

You can create simple graph or chart using GD library on PHP, but to help you create more complex chart, then you’ll need this awesome library.

Unit Testing

PHPUnit – Member of the xUnit family of testing frameworks and provides both a framework that makes the writing of tests easy as well as the functionality to easily run the tests and analyse their results.